*/
#include "qemu-common.h"
-#include "qemu_socket.h"
-#include "migration.h"
-#include "qemu-char.h"
-#include "buffered_file.h"
-#include "block.h"
+#include "qemu/sockets.h"
+#include "migration/migration.h"
+#include "migration/qemu-file.h"
+#include "block/block.h"
+#include "qemu/main-loop.h"
//#define DEBUG_MIGRATION_TCP
do { } while (0)
#endif
-static int socket_errno(MigrationState *s)
-{
- return socket_error();
-}
-
-static int socket_write(MigrationState *s, const void * buf, size_t size)
-{
- return send(s->fd, buf, size, 0);
-}
-
-static int tcp_close(MigrationState *s)
-{
- int r = 0;
- DPRINTF("tcp_close\n");
- if (s->fd != -1) {
- if (close(s->fd) < 0) {
- r = -errno;
- }
- s->fd = -1;
- }
- return r;
-}
-
-static void tcp_wait_for_connect(void *opaque)
+static void tcp_wait_for_connect(int fd, void *opaque)
{
MigrationState *s = opaque;
- int val, ret;
- socklen_t valsize = sizeof(val);
-
- DPRINTF("connect completed\n");
- do {
- ret = getsockopt(s->fd, SOL_SOCKET, SO_ERROR, (void *) &val, &valsize);
- } while (ret == -1 && (socket_error()) == EINTR);
- if (ret < 0) {
+ if (fd < 0) {
+ DPRINTF("migrate connect error\n");
+ s->file = NULL;
migrate_fd_error(s);
- return;
- }
-
- qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
-
- if (val == 0)
+ } else {
+ DPRINTF("migrate connect success\n");
+ s->file = qemu_fopen_socket(fd, "wb");
migrate_fd_connect(s);
- else {
- DPRINTF("error connecting %d\n", val);
- migrate_fd_error(s);
}
}
-int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
- Error **errp)
+void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp)
{
- s->get_error = socket_errno;
- s->write = socket_write;
- s->close = tcp_close;
-
- s->fd = inet_connect(host_port, false, errp);
-
- if (!error_is_set(errp)) {
- migrate_fd_connect(s);
- } else if (error_is_type(*errp, QERR_SOCKET_CONNECT_IN_PROGRESS)) {
- DPRINTF("connect in progress\n");
- qemu_set_fd_handler2(s->fd, NULL, NULL, tcp_wait_for_connect, s);
- } else if (error_is_type(*errp, QERR_SOCKET_CREATE_FAILED)) {
- DPRINTF("connect failed\n");
- return -1;
- } else if (error_is_type(*errp, QERR_SOCKET_CONNECT_FAILED)) {
- DPRINTF("connect failed\n");
- migrate_fd_error(s);
- return -1;
- } else {
- DPRINTF("unknown error\n");
- return -1;
- }
-
- return 0;
+ inet_nonblocking_connect(host_port, tcp_wait_for_connect, s, errp);
}
static void tcp_accept_incoming_migration(void *opaque)
do {
c = qemu_accept(s, (struct sockaddr *)&addr, &addrlen);
} while (c == -1 && socket_error() == EINTR);
+ qemu_set_fd_handler2(s, NULL, NULL, NULL, NULL);
+ closesocket(s);
DPRINTF("accepted migration\n");
if (c == -1) {
fprintf(stderr, "could not accept migration connection\n");
- goto out2;
+ goto out;
}
- f = qemu_fopen_socket(c);
+ f = qemu_fopen_socket(c, "rb");
if (f == NULL) {
fprintf(stderr, "could not qemu_fopen socket\n");
goto out;
}
process_incoming_migration(f);
- qemu_fclose(f);
+ return;
+
out:
- close(c);
-out2:
- qemu_set_fd_handler2(s, NULL, NULL, NULL, NULL);
- close(s);
+ closesocket(c);
}
-int tcp_start_incoming_migration(const char *host_port, Error **errp)
+void tcp_start_incoming_migration(const char *host_port, Error **errp)
{
int s;
s = inet_listen(host_port, NULL, 256, SOCK_STREAM, 0, errp);
-
if (s < 0) {
- return -1;
+ return;
}
qemu_set_fd_handler2(s, NULL, tcp_accept_incoming_migration, NULL,
(void *)(intptr_t)s);
-
- return 0;
}